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Cattle Boards
Breeding / Calving Issues
AI protocol for heifers
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<blockquote data-quote="gizmom" data-source="post: 1079685" data-attributes="member: 13402"><p>Till Hill</p><p></p><p>I agree with you that heifers should be the easiest to get bred. However I have not found an AI protocol for timed breeding that works real well for heifers. I am looking to find a timed protocol that works on them. Ronnie and I both work off the farm so we are not able to be there to watch for heat. We pulled the CIDRS on Tuesday, I was at the office yesterday and got an email from Mike our herdsman telling us about 15 of them were standing. We have been told that with this protocol this would happen but not to breed on this heat, conception would not be as good. We are supposed to give them a shot of GNRH on the 19th then a shot of PG on the 26th and breed them on the 29th. I am not saying heifers are hard to get bred we have great luck getting them pregnant, excellent results with AI on natural service, just not good results with timed AI. however when your trying to set up groups of AI cattle and groups of Recips plus take care of all the other stuff it is very time consuming to try to pull up an entire group of 40 heifers cut one out and AI her on a natural heat. So the search continues for a way to make our lives a little easier. I sure hope this protocol works as well as I have heard it does. Our ET guy said it is the best he has seen.</p><p></p><p>Gizmom</p></blockquote><p></p>
[QUOTE="gizmom, post: 1079685, member: 13402"] Till Hill I agree with you that heifers should be the easiest to get bred. However I have not found an AI protocol for timed breeding that works real well for heifers. I am looking to find a timed protocol that works on them. Ronnie and I both work off the farm so we are not able to be there to watch for heat. We pulled the CIDRS on Tuesday, I was at the office yesterday and got an email from Mike our herdsman telling us about 15 of them were standing. We have been told that with this protocol this would happen but not to breed on this heat, conception would not be as good. We are supposed to give them a shot of GNRH on the 19th then a shot of PG on the 26th and breed them on the 29th. I am not saying heifers are hard to get bred we have great luck getting them pregnant, excellent results with AI on natural service, just not good results with timed AI. however when your trying to set up groups of AI cattle and groups of Recips plus take care of all the other stuff it is very time consuming to try to pull up an entire group of 40 heifers cut one out and AI her on a natural heat. So the search continues for a way to make our lives a little easier. I sure hope this protocol works as well as I have heard it does. Our ET guy said it is the best he has seen. Gizmom [/QUOTE]
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